a + 2 = 6 What does this represent? 2 a

Slides:

Advertisements

Similar presentations

Re-arrranging equations

Advertisements

Example 1 Solution by Elimination Chapter 7.1 Solve the system  2009 PBLPathways.

Solving Two-Step Equations

Solving Multiplication and Division Equations Lesson 2-7.

3-3 Solving Multiplication Equations. Solve Solution GOAL Find the value of the variable that makes the equation TRUE. The value that makes the equation.

Using Cross Products Lesson 6-4. Cross Products When you have a proportion (two equal ratios), then you have equivalent cross products. Find the cross.

Solve an equation using subtraction EXAMPLE 1 Solve x + 7 = 4. x + 7 = 4x + 7 = 4 Write original equation. x + 7 – 7 = 4 – 7 Use subtraction property of.

Solving Equations with variables on both sides of the Equals Chapter 3.5.

Standardized Test Practice

Solving Equations with Brackets or Fractions. Single Bracket Solve 3(x + 4) = 24 3x + 12 = 24 3x + 12 – 12 = x = 12 x = 4 Multiply brackets out.

§ 2.3 The Multiplication Property of Equality. Martin-Gay, Beginning Algebra, 5ed 22 Multiplication Property of Equality If a, b, and c are real numbers,

Equation y + 5 y + 5 = 20 Expressions

Solving Proportions. 2 ways to solve proportions 1. Equivalent fractions (Old) Cross Products (New)

7-3 Solving Proportions (p ) Indicator  m4.

Solve an equation using addition EXAMPLE 2 Solve x – 12 = 3. Horizontal format Vertical format x– 12 = 3 Write original equation. x – 12 = 3 Add 12 to.

Chapter 2.2 The Multiplication Principle of Equality.

Example 1 Solving Two-Step Equations SOLUTION a. 12x2x + 5 = Write original equation. 112x2x + – = 15 – Subtract 1 from each side. (Subtraction property.

Solving Linear Equations Substitution. Find the common solution for the system y = 3x + 1 y = x + 5 There are 4 steps to this process Step 1:Substitute.

One Answer, No Answers, or an Infinite Number of Answers.

Solving Logarithmic Equations

  A ratio is a way to compare two quantities that are measured in the same units by using division  45 : 100 Ratio.

The model represents the equation x + 2 =6. What is the value of x? x + + =

How do I use the imaginary unit i to write complex numbers?

Multiplication and Division Properties. Multiplication Properties Commutative Property Associative Property Identity Property Zero Property Distributive.

2.2 Solving Two- Step Equations. Solving Two Steps Equations 1. Use the Addition or Subtraction Property of Equality to get the term with a variable on.

Solving Quadratic Equations. Find the quadratic equation if the solutions are 3 and -2. x = 3 x = -2 Make them equal zero. x – 3 = 0x + 2 = 0 (x – 3)(x.

Solving equations with variable on both sides Part 1.

* Collect the like terms 1. 2a = 2a x -2x + 9 = 6x z – – 5z = 2z - 6.

Solving 2 step equations. Two step equations have addition or subtraction and multiply or divide 3x + 1 = 10 3x + 1 = 10 4y + 2 = 10 4y + 2 = 10 2b +

Solving Absolute Value Inequalities

Solving Percent Problems Using Equations

Solving Linear Equations and Inequalities

Fractions in Algebraic Equations

Equations with variables on both sides Whiteboard practice

Solving Inequalities Using Multiplication and Division

2 Understanding Variables and Solving Equations.

Solving Equations: The Multiplication Principle

ONE STEP EQUATIONS.

ONE STEP EQUATIONS.

Variables on Both Sides with Equations

Solving Equations by Factoring and Problem Solving

SECTION 9-3 : SOLVING QUADRATIC EQUATIONS

Equation Review Given in class 10/4/13.

G Dear ©2009 – Not to be sold/Free to use

Equations – Success if you can do these

Solving Multiplication and Division Equations

Equations with variables on both sides Whiteboard practice

Solving Multiplication Equations

Subtract the same value on each side

Solve the following problems.

Solving Equations with Variables on Both Sides

Solving Equations with Variables on Both Sides

Solving Division Equations

Equation Review.

TWO STEP EQUATIONS 1. SOLVE FOR X 2. DO THE ADDITION STEP FIRST

G Dear ©2010 – Not to be sold/Free to use

Learn to solve equations with integers.

Do Now Solve. 1. –8p – 8 = d – 5 = x + 24 = 60 4.

Solving Inequalities.

Math-7 NOTES 1) 3x = 15 2) 4x = 16 Multiplication equations:

ONE STEP EQUATIONS WHAT?!?!.

Equations – Success if you can do these

Solving basic equations

ONE STEP EQUATIONS.

Lesson 6 Ratio’s and Proportions

Solving 1 and 2 Step Equations

Solving Equations With One Variable

ONE STEP EQUATIONS.

Using Cross Products Chapter 3.

Divide 9 × by 3 ×

Presentation transcript:

a + 2 = 6 What does this represent? 2 a 1 2 3 5 4 6 7 8 9 11 10 12 13 1 2 3 5 4 6 7 8 9 11 10 12 13 14 15 17 16 18 19 20 a + 2 = 6

3(a + 2) = 18 What does this represent? a 2 a 2 a 2 1 2 3 5 4 6 7 8 9 1 2 3 5 4 6 7 8 9 11 10 12 13 14 15 17 16 18 19 20 3(a + 2) = 18

How does 3(a + 2) change as a increases? 1 2 3 5 4 6 7 8 9 11 10 12 13 14 15 17 16 18 19 20

What value is a this time? What does this represent? 2 a 2 a 2 a 1 2 3 5 4 6 7 8 9 11 10 12 13 14 15 17 16 18 19 20 21 3(a + 2) = 21 What value is a this time?

How could we find out what a + 2 equals? What does this represent? 2 a 2 a 2 a 144 3(a + 2) = 144 How could we find out what a + 2 equals?

How could we find out what a equals? What is the equation after dividing both sides by three? 2 a 48 a + 2 = 48 How could we find out what a equals?